# 自行检测
import copy

a = 1
b = "2"
c = True
d = [1, 2, 3]
e = (1, 2)
f = {"a": 1}
g = {1, "2", False, (3, 4)}

m = [1, 2, [4, 5]]
n = copy.copy(m)
print(id(m), id(n))

m[2][0] = 6
print(m, n)

m[0] = "a"
print(m, n)

if (gg := 2) > 3:
    print(1)
